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How to determine if a record is just created or updated in after_save
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I was looking to use this for an after_save callback.
A simpler solution is to use id_changed? (since it won't change on update) or even created_at_changed? if timestamp columns are present.
Update: As @mitsy points out, if this check is needed outside of callbacks th...
Python SQL query string formatting
...l query string. When I'm debugging
my application I'd like to log to file all the sql query strings, and it is
important that the string is properly formated.
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Ajax request returns 200 OK, but an error event is fired instead of success
I have implemented an Ajax request on my website, and I am calling the endpoint from a webpage. It always returns 200 OK , but jQuery executes the error event.
I tried a lot of things, but I could not figure out the problem. I am adding my code below:
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Using ConfigurationManager to load config from an arbitrary location
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How can I get programmatically strConfigPath value for my ASP.NET WebForms application hosted in sub.domain.com/virtualDir2 and path C:\Portals\App1\v2 and config file in C:\Portals\App1\v2\web.config ?
– Kiquenet
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How do I hotkey directly to File Search tab in Eclipse
...file search" in the search box. (If there are no results, and you have a really old Eclipse version, select the Include Unbound Commands check box.)
Put the caret into the Binding text box and press the key combination you want to use:
You can either re-use the CTRL+H binding (delete the other b...
JQuery Event for user pressing enter in a textbox?
...ler than that URL I posted. I wonder what the heck the article I posted is all about & why it takes so much code..
– CaptSaltyJack
Jun 29 '11 at 17:10
1
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Android get free size of internal/external memory
... size of free memory on internal/external storage of my device programmatically. I'm using this piece of code :
12 Answers
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Only using @JsonIgnore during serialization, but not deserialization
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In order to accomplish this, all that we need is two annotations:
@JsonIgnore
@JsonProperty
Use @JsonIgnore on the class member and its getter, and @JsonProperty on its setter. A sample illustration would help to do this:
class User {
// More f...
Yellow fade effect with JQuery
... probably because part of it is empty and text is set just before this is called?
– NaughtySquid
Mar 12 '16 at 18:14
N...
How to get the build/version number of your Android application?
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@Felix you can't call getPackageManager() outside of context, so getApplicationContext() (or passed context) might be needed.
– Sver
Sep 24 '12 at 7:06
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